Implementing Independent Key Controls for LEDs on Microcontrollers

Understanding and implementing independent key controls for LEDs on microcontrollers What are independent keys? Tactile switches: These function as electronic switches that close when pressed and open when released. The mechanism involves internal metal springs that flex to make or break connections. Note: GND is the negative terminal. When a k ...

Posted on Sat, 24 Oct 2026 16:18:37 +0000 by xeidor

HC-SR04 Distance Measurement using 8051 Timer Gate Mode

Simulating ultrasonic ranging in Proteus with an 80C52 microcontroller requires precise timing to capture the ECHO pulse duration. This implementation utilizes a crystal frequency of 11.0592 MHz and leverages the hardware GATE control feature of the 8051 timers to measure the high-level duration of the pulse without CPU-intensive polling. Measu ...

Posted on Fri, 16 Oct 2026 16:00:45 +0000 by BittenApple

Implementing I2C Communication with AT24C02 EEPROM on 8051 Microcontrollers

Overview of Memory Types Memory is broadly categorized into RAM (Random Access Memory) and ROM (Read-Only Memory). RAM offers fast access but loses data when power is removed. ROM is slower but retains data without power. RAM Variants SRAM (Static RAM): Utilizes flip-flops for data storage, providing very high speed. Commonly used in CPU cache ...

Posted on Thu, 10 Sep 2026 16:34:58 +0000 by spode